chore: drops python 3.8 from CI replacing it with 3.13

Author: M0r13n

.github/workflows/main.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python: ['3.9', '3.10', '3.11', '3.12', '3.13']
         os: ['ubuntu-latest']
     steps:
       - uses: actions/checkout@master